I started the first time in rockets about 1980 with an Estes Alpha III (or was it II?). The only thing I knew was Estes until I joined a club - the Summit City Aerospace Modelers (S.C.A.M.) in Ft. Wayne, IN - and learned about Centuri motors, but nothing produced by Centuri was available in my neck of the woods, it was all Estes. To me, the MPC model is a completely different model, and only shares the name. I'd take the Centuri kit.